Fuel Injector Leak Test Check Tool Kit 3164001 For Cummins ISX/Signature Engines

For Cummins ISX, Cummins Signature Engines.Replaces Cummins Tool Number 3164001. 3164001 Fuel Injector Leak Test Check Kit. This tool checks for combustion gas leaks back through the injector rail check valve and other conditions that will allow gas leakage through the injector into the fuel rail.